/* roulang page: index */
:root{
  --primary:#6C4BF6;
  --primary-deep:#4A2FD0;
  --mint:#2ED3B7;
  --orange:#FF8A3D;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --soft:#EFEBFB;
  --dark:#191338;
  --dark-text:#CFC6F0;
  --text:#1A1330;
  --text-2:#5B5470;
  --text-3:#8D86A8;
  --line:#E7E3F5;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 55%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --r-xl:32px; --r-lg:24px; --r-md:18px; --r-sm:14px;
  --sh-1:0 8px 24px rgba(108,75,246,.08);
  --sh-2:0 18px 40px rgba(108,75,246,.18);
  --sh-dark:0 18px 40px rgba(25,19,56,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em}
p{margin:0}
input,select,textarea{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}
::selection{background:rgba(108,75,246,.2)}

/* ============ 布局骨架 ============ */
.shell{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:#fff;border-right:1px solid var(--line);
  padding:22px 16px 24px;display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;z-index:80;
}
.content{margin-left:248px;flex:1;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
main{flex:1;padding-bottom:10px}

/* ============ 品牌区 ============ */
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 14px;border-bottom:1px solid var(--line)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;background:var(--grad-main);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-weight:800;font-size:19px;letter-spacing:0;box-shadow:0 8px 18px rgba(108,75,246,.3)
}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.3}
.brand-sub{font-size:12px;color:var(--text-3);line-height:1.4;margin-top:2px}

/* ============ 侧栏导航 ============ */
.nav-group-label{font-size:12px;color:var(--text-3);padding:2px 12px 4px;letter-spacing:.04em}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:14px;
  font-size:14.5px;font-weight:500;color:var(--text-2);
  transition:background .22s ease,color .22s ease;
}
.nav-item svg{width:20px;height:20px;flex:0 0 20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:var(--soft);color:var(--primary-deep)}
.nav-item.active{
  background:linear-gradient(135deg,rgba(108,75,246,.10),rgba(46,211,183,.08));
  color:var(--primary-deep);font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:999px;background:var(--primary)
}
.side-divider{height:1px;background:var(--line);margin:8px 8px}
.side-cta{
  margin-top:auto;background:linear-gradient(160deg,#F3F0FE,#EFEBFB);
  border:1px solid rgba(108,75,246,.12);border-radius:20px;padding:16px 14px
}
.side-cta .tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--primary-deep);background:rgba(108,75,246,.1);border-radius:999px;padding:3px 10px}
.side-cta p{font-size:12.5px;color:var(--text-2);line-height:1.6;margin:10px 0 12px}
.side-cta .btn{width:100%;height:42px;font-size:14px}

/* ============ 移动端顶栏 & 抽屉 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:64px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease
}
.topbar.scrolled{box-shadow:0 6px 20px rgba(25,19,56,.08)}
.topbar .brand-mini{display:flex;align-items:center;gap:10px;min-width:0}
.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:16px}
.topbar .brand-name{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hamburger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;background:#fff}
.hamburger:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.topbar .btn{height:38px;padding:0 16px;font-size:13.5px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,19,48,.5);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:90
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:288px;background:#fff;z-index:95;
  transform:translateX(-102%);transition:transform .3s cubic-bezier(.22,.8,.3,1);
  display:flex;flex-direction:column;padding:20px 16px;overflow-y:auto;gap:12px
}
.drawer.open{transform:translateX(0)}
.drawer .nav-item{height:52px;font-size:15.5px}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;background:var(--soft);display:inline-flex;align-items:center;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  white-space:nowrap;transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease,color .22s ease,filter .22s ease
}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,75,246,.38);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--primary-deep);border:1px solid rgba(108,75,246,.25)}
.btn-ghost:hover{background:var(--soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--primary-deep);box-shadow:0 10px 26px rgba(25,19,56,.18)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(25,19,56,.24)}
.btn-light:active{transform:translateY(1px)}
.btn-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-glass:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary-deep);transition:transform .2s ease,color .2s ease}
.btn-link:hover{transform:translateX(3px);color:var(--orange)}
.btn:focus-visible,.btn-link:focus-visible,.nav-item:focus-visible,.hamburger:focus-visible,.drawer-close:focus-visible,.carousel-btn:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(46,211,183,.13);color:#128472}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85}
.badge.purple{background:rgba(108,75,246,.11);color:var(--primary-deep)}
.badge.orange{background:rgba(255,138,61,.14);color:#C25A16}
.badge.mint{background:rgba(46,211,183,.13);color:#128472}
.badge-light{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.35)}
.badge-light::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff}

/* ============ 区块 ============ */
.sec{margin-bottom:80px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:30px;font-weight:700}
.sec-head .lead{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.sec-head.simple{display:block}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-main);color:#fff;
  padding:56px 52px;margin-top:32px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:0 24px 60px rgba(108,75,246,.26)
}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.hero::before{width:320px;height:320px;right:-90px;top:-120px;background:radial-gradient(circle,rgba(46,211,183,.55),transparent 68%)}
.hero::after{width:260px;height:260px;left:-100px;bottom:-120px;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 70%)}
.hero-copy{position:relative;z-index:2}
.hero h1{font-size:47px;font-weight:800;line-height:1.16;margin:20px 0 16px;letter-spacing:-.025em}
.hero .sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.92);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn-primary{background:#fff;color:var(--primary-deep);box-shadow:0 14px 32px rgba(25,19,56,.22);height:52px;padding:0 30px;font-size:16px}
.hero-actions .btn-primary:hover{background:#fff;filter:none;box-shadow:0 20px 40px rgba(25,19,56,.28)}
.hero-stats{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.stat{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:16px;padding:10px 16px;min-width:118px}
.stat b{display:block;font-size:21px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:rgba(255,255,255,.82)}
.hero-visual{position:relative;z-index:2}
.hero-visual .shot{
  border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.35);
  background:#EFEBFB;box-shadow:0 24px 50px rgba(25,19,56,.3);aspect-ratio:16/11
}
.hero-visual .shot img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;left:-22px;bottom:-26px;background:#fff;color:var(--text);
  border-radius:18px;padding:14px 18px;box-shadow:0 18px 40px rgba(25,19,56,.25);
  display:flex;align-items:center;gap:12px;min-width:210px
}
.float-card .dot{width:38px;height:38px;border-radius:12px;background:var(--grad-sub);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px}
.float-card b{display:block;font-size:14px;font-weight:700}
.float-card span{font-size:12px;color:var(--text-3)}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.card{
  background:var(--surface);border:1px solid rgba(108,75,246,.10);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.icon-box{width:48px;height:48px;border-radius:16px;background:var(--grad-sub);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px}
.icon-box svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-box.warm{background:linear-gradient(135deg,#FF8A3D,#A24BFF)}
.icon-box.soft{background:linear-gradient(135deg,#EFEBFB,#DCD3FA);color:var(--primary-deep)}
.b-lg{grid-column:span 6}
.b-md{grid-column:span 3}
.b-wide{grid-column:span 12}
.b-lg .thumb{border-radius:16px;overflow:hidden;margin-top:18px;aspect-ratio:16/9;background:var(--soft)}
.b-lg .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.card:hover .thumb img{transform:scale(1.04)}
.b-wide{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.b-wide .txt{flex:1 1 380px}
.b-wide .strip{display:flex;gap:10px;flex-wrap:wrap}

/* ============ 截图轨道 ============ */
.track-wrap{position:relative}
.track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;-ms-overflow-style:none
}
.track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 322px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out
}
.shot-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.shot-card .img{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.shot-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.shot-card:hover .img img{transform:scale(1.04)}
.shot-card .body{padding:18px 20px 20px}
.shot-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.shot-card p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.carousel-nav{display:flex;gap:10px}
.carousel-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
  transition:background .24s ease,color .24s ease,transform .24s ease
}
.carousel-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.carousel-btn:hover{background:var(--grad-main);color:#fff;transform:translateY(-2px);border-color:transparent}
.carousel-dots{display:flex;gap:8px;margin-top:6px}
.carousel-dots span{width:8px;height:8px;border-radius:999px;background:#D9D2F3;transition:all .26s ease}
.carousel-dots span.on{width:26px;background:var(--grad-main)}
.track-edge{display:none}

/* ============ 系统要求 ============ */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.spec.alt{background:#F3F0FE}
.spec h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.spec > p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:48px;border-bottom:1px dashed var(--line)}
.spec-row:last-child{border-bottom:none}
.spec-row .k{font-size:14px;color:var(--text-3)}
.spec-row .v{font-size:14.5px;font-weight:700;color:var(--text);text-align:right}

/* ============ 评价墙 ============ */
.reviews{background:var(--dark);border-radius:var(--r-xl);padding:56px 52px;color:#fff;box-shadow:var(--sh-dark)}
.reviews .sec-head h2{color:#fff}
.reviews .lead{color:var(--dark-text)}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.review{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-lg);padding:24px;transition:background .25s ease,transform .25s ease
}
.review:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.review.offset{margin-top:26px}
.review .who{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review .who img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.28)}
.review .who b{display:block;font-size:15px;font-weight:700}
.review .who span{font-size:12.5px;color:var(--dark-text)}
.stars{display:flex;gap:3px;margin-bottom:10px;color:var(--orange)}
.stars svg{width:15px;height:15px;fill:currentColor;stroke:none}
.review p{font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.8}

/* ============ CMS 列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid rgba(108,75,246,.10);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .3s ease-out,box-shadow .3s ease-out
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-card .img{aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.post-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.post-card:hover .img img{transform:scale(1.04)}
.post-card .body{padding:22px 24px 56px;display:flex;flex-direction:column;flex:1}
.post-card h3{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.post-card .excerpt{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:var(--text-3)}
.post-meta .date{display:inline-flex;align-items:center;gap:6px}
.post-meta .date svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}
.post-card .go{
  position:absolute;right:22px;bottom:20px;width:34px;height:34px;border-radius:50%;
  background:var(--soft);color:var(--primary-deep);display:inline-flex;align-items:center;justify-content:center;
  transition:background .25s ease,color .25s ease
}
.post-card .go svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.post-card:hover .go{background:var(--grad-main);color:#fff}
.empty{
  grid-column:1/-1;background:#fff;border:1px dashed rgba(108,75,246,.28);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center
}
.empty .glyph{
  width:66px;height:66px;border-radius:22px;margin:0 auto 18px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:24px;font-weight:800
}
.empty p{font-size:15px;color:var(--text-2);margin-bottom:6px}
.empty span{font-size:13.5px;color:var(--text-3);display:block;margin-bottom:20px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease
}
.faq[open]{border-color:rgba(108,75,246,.32);box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;display:flex;align-items:center;gap:14px;
  padding:16px 56px 16px 22px;font-size:16px;font-weight:600;color:var(--text)
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";width:4px;align-self:stretch;min-height:22px;border-radius:999px;background:var(--grad-main);flex:0 0 4px}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:13px;height:13px;margin-top:-7px;
  background:
    linear-gradient(var(--primary),var(--primary)) center/13px 2px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/2px 13px no-repeat;
  transition:transform .3s ease
}
.faq[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--primary-deep)}
.faq .answer{padding:0 26px 22px 40px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line);padding-top:16px;margin-top:2px}

/* ============ 底部 CTA ============ */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);
  color:#fff;padding:52px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;box-shadow:0 24px 56px rgba(108,75,246,.26)
}
.cta::after{content:"";position:absolute;width:300px;height:300px;right:-90px;bottom:-140px;border-radius:50%;background:radial-gradient(circle,rgba(46,211,183,.5),transparent 68%)}
.cta .txt{position:relative;z-index:2;max-width:600px}
.cta h2{font-size:29px;font-weight:800;line-height:1.3}
.cta p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9)}
.cta .actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-text);margin-top:80px}
.footer-inner{max-width:1200px;margin:0 auto;padding:56px 32px 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;font-size:18px}
.footer-brand b{color:#fff;font-size:16px;font-weight:800}
.site-footer p{font-size:13.5px;line-height:1.8;color:var(--dark-text)}
.site-footer .dl-card{
  margin-top:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:18px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap
}
.site-footer .dl-card .v{font-size:12.5px;color:var(--dark-text)}
.site-footer .dl-card .v b{display:block;color:#fff;font-size:15px;font-weight:700}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:var(--dark-text);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--mint);transform:translateX(3px)}
.footer-bottom{
  max-width:1200px;margin:44px auto 0;padding:20px 32px 28px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap
}
.footer-bottom p{font-size:13px;color:#8C83B5}
.to-top{
  width:46px;height:46px;border-radius:50%;background:var(--grad-main);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(108,75,246,.35);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease,transform .22s ease
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 26px}
  .hero{padding:48px 40px;gap:34px}
  .hero h1{font-size:42px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .content{margin-left:0}
  .topbar{display:flex}
  .container{padding:0 20px}
  .hero{grid-template-columns:1fr;padding:40px 28px;margin-top:24px;border-radius:26px;gap:30px}
  .hero h1{font-size:34px;margin:16px 0 12px}
  .hero .sub{font-size:15.5px}
  .hero-visual{order:2}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;width:100%}
  .bento{grid-template-columns:repeat(2,1fr);gap:18px}
  .b-lg,.b-md,.b-wide{grid-column:span 2}
  .spec-grid{grid-template-columns:1fr}
  .reviews{padding:40px 26px}
  .review-grid{grid-template-columns:1fr}
  .review.offset{margin-top:0}
  .post-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .cta{padding:38px 26px;border-radius:26px}
  .cta h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .sec{margin-bottom:56px}
  .sec-head h2{font-size:23px}
  .carousel-nav{display:none}
  .track-edge{
    display:block;position:absolute;top:0;right:-20px;bottom:22px;width:52px;
    background:linear-gradient(90deg,rgba(246,244,252,0),var(--bg));pointer-events:none
  }
}
@media (max-width:639px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .hero{padding:32px 20px}
  .hero h1{font-size:30px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:8px}
  .stat{flex:1 1 45%;min-width:0;padding:10px 12px}
  .bento{grid-template-columns:1fr}
  .b-lg,.b-md,.b-wide{grid-column:span 1}
  .card{padding:20px}
  .post-grid{grid-template-columns:1fr}
  .shot-card{flex:0 0 262px}
  .reviews{padding:32px 20px;border-radius:26px}
  .cta{padding:30px 20px}
  .cta .actions{width:100%}
  .cta .actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-inner{padding:40px 16px 0}
  .footer-bottom{padding:18px 16px 26px}
  .faq summary{font-size:15px;padding:14px 48px 14px 18px}
  .faq .answer{padding:14px 20px 20px 20px}
  .b-wide{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{transform:none;transition:opacity .3s ease}
  .card:hover,.post-card:hover,.shot-card:hover,.review:hover,.btn:hover,.btn-link:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#6C4BF6;
  --brand-deep:#4A2FD0;
  --mint:#2ED3B7;
  --warm:#FF8A3D;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 55%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --surface-alt:#EFEBFB;
  --dark:#191338;
  --dark-text:#CFC6F0;
  --text:#1A1330;
  --text-2:#5B5470;
  --text-3:#8D86A8;
  --line:#E7E3F5;
  --line-brand:rgba(108,75,246,.10);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(108,75,246,.08);
  --sh-2:0 18px 40px rgba(108,75,246,.18);
  --sh-dark:0 18px 40px rgba(25,19,56,.35);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
h1,h2,h3,h4{line-height:1.35;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
::selection{background:rgba(108,75,246,.18)}

/* ---------- App shell ---------- */
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:var(--sidebar-w);height:100vh;
  display:flex;flex-direction:column;gap:16px;
  padding:24px 16px 20px;
  background:#FCFBFF;
  border-right:1px solid var(--line);
  overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(108,75,246,.18);border-radius:99px}
.brand{display:flex;align-items:center;gap:12px;padding:0 6px 4px}
.brand-mark{
  flex:none;width:40px;height:40px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background-image:var(--grad-main);color:#fff;font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(108,75,246,.28);
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-text i{font-style:normal;font-size:12px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-group-label{font-size:11px;letter-spacing:.14em;color:var(--text-3);padding:0 14px 6px;font-weight:600}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.nav-item svg{
  width:20px;height:20px;flex:none;fill:none;stroke:currentColor;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
}
.nav-item:hover{background:var(--surface-alt);color:var(--text)}
.nav-item:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.nav-item.active{
  color:var(--brand);font-weight:600;
  background:rgba(108,75,246,.08);
}
.nav-item.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:99px;background-image:var(--grad-main);
}
.nav-divider{height:1px;background:var(--line);margin:10px 14px}
.side-card{
  margin-top:auto;padding:16px;border-radius:var(--r-md);
  background:var(--surface-alt);
  border:1px solid var(--line-brand);
  display:flex;flex-direction:column;gap:12px;
}
.side-version{font-size:13px;color:var(--text-2)}
.side-version b{display:inline-block;font-size:17px;font-weight:800;color:var(--text);margin-left:4px}
.side-card .btn{width:100%}

.content-area{margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;width:100%}

/* ---------- Topbar (mobile) ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:50;
  align-items:center;gap:12px;height:64px;padding:0 16px;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.topbar.scrolled{box-shadow:0 6px 18px rgba(26,19,48,.08)}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-brand b{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hamburger{
  flex:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s;
}
.hamburger:hover{background:var(--surface-alt)}
.hamburger svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
.topbar .btn{margin-left:auto;flex:none}
.sidebar-mask{
  position:fixed;inset:0;z-index:55;background:rgba(26,19,48,.5);
  opacity:0;pointer-events:none;transition:opacity .3s ease-out;
}
.sidebar-mask.show{opacity:1;pointer-events:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background-image:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(108,75,246,.24)}
.btn-primary:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(108,75,246,.22)}
.btn-ghost:hover{background:var(--surface-alt);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14px;font-weight:600;transition:gap .2s ease-out,color .2s ease-out;
}
.btn-link:hover{gap:12px;color:var(--brand-deep)}
.btn-link:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

/* ---------- Badges / tags ---------- */
.tag-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:rgba(108,75,246,.10);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.01em;
}
.tag-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.tag-mint{background:rgba(46,211,183,.14);color:#138b78}
.tag-warm{background:rgba(255,138,61,.14);color:#c25c14}

/* ---------- Page head ---------- */
.page-head{position:relative;padding:64px 0 52px;background:var(--surface-alt);overflow:hidden;border-bottom:1px solid var(--line)}
.page-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.20;
}
.page-head::after{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.28) 0%,rgba(255,138,61,0) 68%);
}
.page-head .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-2);transition:color .2s}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-3);opacity:.7}
.crumbs .current{color:var(--text);font-weight:600}
.page-head h1{
  font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.3;
  margin:18px 0 20px;max-width:880px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  background:rgba(255,255,255,.78);border:1px solid var(--line);
  border-radius:999px;font-size:13px;color:var(--text-2);
}
.meta-chip i{color:var(--brand);font-size:12px}

/* ---------- Article ---------- */
.article-wrap{padding:64px 0 24px}
.article-body{
  max-width:760px;margin:0 auto;font-size:17px;color:var(--text);
  background:var(--surface);border:1px solid var(--line-brand);
  border-radius:var(--r-lg);padding:44px 48px;box-shadow:var(--sh-1);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;letter-spacing:-.01em;
  margin:44px 0 18px;padding-left:18px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;
  border-radius:99px;background-image:var(--grad-main);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--brand-deep);margin:32px 0 14px}
.article-body p{margin:0 0 20px;line-height:1.9;color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(108,75,246,.32);transition:border-color .2s}
.article-body a:hover{border-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin:0 0 10px;line-height:1.85;color:var(--text-2)}
.article-body li::marker{color:var(--brand);font-weight:700}
.article-body img{width:100%;height:auto;border-radius:var(--r-md);margin:26px 0;background:var(--surface-alt)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--surface-alt);
  border-left:4px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--surface-alt);font-weight:600;color:var(--text)}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:14px;padding:34px 10px 10px;
}
.empty-icon{
  width:66px;height:66px;border-radius:20px;background-image:var(--grad-sub);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
}
.empty-icon svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:22px;font-weight:700}
.empty-state p{color:var(--text-3);font-size:15px;margin:0}

/* ---------- Post footer blocks ---------- */
.post-blocks{max-width:760px;margin:32px auto 0;display:flex;flex-direction:column;gap:24px}
.dl-cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:32px;background:var(--surface);
  border:1px solid var(--line-brand);box-shadow:var(--sh-1);
}
.dl-cta::before{
  content:"";position:absolute;top:-90px;right:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,183,.20) 0%,rgba(46,211,183,0) 70%);
}
.dl-cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:22px}
.dl-cta h2{font-size:24px;font-weight:700;margin:14px 0 10px;letter-spacing:-.01em}
.dl-cta p{color:var(--text-2);font-size:15px;margin:0}
.btn-group{display:flex;flex-wrap:wrap;gap:12px}

.tag-section{background:var(--surface);border-radius:var(--r-lg);padding:26px 28px;border:1px solid var(--line-brand);box-shadow:var(--sh-1)}
.section-title-sm{font-size:15px;font-weight:700;color:var(--text);margin:0 0 16px;display:flex;align-items:center;gap:8px}
.section-title-sm::before{content:"";width:4px;height:15px;border-radius:99px;background-image:var(--grad-sub)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:13px;font-weight:500;
  transition:transform .2s ease-out,border-color .2s,color .2s,background .2s;
}
.tag-pill:hover{transform:translateY(-2px);border-color:rgba(108,75,246,.4);color:var(--brand);background:var(--surface-alt)}
.tag-pill:focus-visible{outline:2px solid var(--mint);outline-offset:2px}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{
  display:block;background:var(--surface);border:1px solid var(--line-brand);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:14px 16px 16px}
.rel-card h3{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:12px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px}
.rel-time i{color:var(--mint);font-size:11px}

.back-row{display:flex;justify-content:center;padding:6px 0 4px}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 8px}
.faq-head{margin-bottom:26px}
.faq-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em}
.faq-head p{color:var(--text-2);font-size:15px;margin-top:10px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-brand);
  border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;position:relative;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 24px 14px 28px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:99px;background-image:var(--grad-sub);
}
.faq-item summary::after{
  content:"+";flex:none;font-size:24px;line-height:1;color:var(--brand);
  transition:transform .25s ease-out;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:focus-visible{outline:2px solid var(--mint);outline-offset:-2px}
.faq-answer{padding:0 24px 20px 28px;border-top:1px solid var(--line);padding-top:16px;color:var(--text-2);font-size:15px}
.faq-answer p{margin:0 0 10px}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);margin-top:80px}
.footer-inner{max-width:1200px;margin:0 auto;padding:64px 24px 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:17px}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.85;color:var(--dark-text);opacity:.86}
.dl-card{
  margin-top:20px;padding:16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(207,198,240,.16);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.dl-card .v{font-size:13px;color:var(--dark-text)}
.dl-card .v b{color:#fff;font-size:16px;margin-left:4px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--dark-text);opacity:.86;transition:color .2s ease-out,opacity .2s}
.footer-col a:hover{color:var(--mint);opacity:1}
.footer-col a:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
.footer-bottom{
  max-width:1200px;margin:48px auto 0;padding:22px 24px 28px;
  border-top:1px solid rgba(207,198,240,.18);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p{font-size:13px;opacity:.72;margin:0}
.to-top{
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;flex:none;
  background-image:var(--grad-main);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-dark);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .3s ease-out,transform .3s ease-out;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{filter:brightness(1.08);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .page-head h1{font-size:36px}
}
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease-out;box-shadow:var(--sh-dark)}
  .sidebar.open{transform:translateX(0)}
  .nav-item{height:52px;font-size:16px}
  .nav-item.active::before{left:-12px;height:26px}
  .content-area{margin-left:0}
  .topbar{display:flex}
  .sidebar-mask{display:block}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-head{padding:44px 0 38px}
  .page-head h1{font-size:30px;margin:14px 0 16px}
  .article-wrap{padding:44px 0 16px}
  .article-body{padding:28px 20px;border-radius:var(--r-md);font-size:16px}
  .article-body h2{font-size:22px;margin:34px 0 14px}
  .article-body h3{font-size:18px}
  .dl-cta{padding:24px 20px}
  .dl-cta h2{font-size:20px}
  .btn-group{flex-direction:column}
  .btn-group .btn{width:100%}
  .related-grid{grid-template-columns:1fr;gap:14px}
  .faq-section{padding:48px 0 8px}
  .faq-head h2{font-size:22px}
  .faq-item summary{padding:14px 18px 14px 22px;font-size:15px}
  .faq-answer{padding:14px 18px 18px 22px}
  .site-footer{margin-top:56px}
  .footer-inner{padding:44px 18px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{padding:18px 18px 24px;flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-head h1{font-size:27px}
  .meta-row{flex-direction:column;align-items:flex-start}
  .meta-chip{width:auto}
  .btn-lg{height:50px;font-size:15px;padding:0 20px}
  .btn{padding:0 18px}
  .topbar-brand b{font-size:14px}
  .article-body{padding:22px 16px}
}

/* roulang page: category1 */
:root{
  --brand:#6C4BF6;
  --brand-deep:#4A2FD0;
  --mint:#2ED3B7;
  --orange:#FF8A3D;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 55%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --bg:#F6F4FC;
  --card:#FFFFFF;
  --soft:#EFEBFB;
  --dark:#191338;
  --dark-text:#CFC6F0;
  --text:#1A1330;
  --text-2:#5B5470;
  --text-3:#8D86A8;
  --line:#E7E3F5;
  --r-xl:32px;
  --r-md:24px;
  --r-sm:18px;
  --shadow-1:0 8px 24px rgba(108,75,246,.08);
  --shadow-2:0 18px 40px rgba(108,75,246,.18);
  --shadow-dark:0 18px 40px rgba(25,19,56,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-0.01em}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- App shell ---------- */
.shell{min-height:100vh;display:flex;flex-direction:column}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:#fff;border-right:1px solid var(--line);
  padding:22px 16px 18px;display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;z-index:60;transform:translateX(-100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.sidebar.open{transform:translateX(0)}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 10px;border-bottom:1px dashed var(--line)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:var(--grad-main);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;
  box-shadow:0 10px 20px rgba(108,75,246,.28);
}
.brand-text b{display:block;font-size:16px;font-weight:800;letter-spacing:-0.01em}
.brand-text span{display:block;font-size:12px;color:var(--text-3);line-height:1.5}
.nav-group-label{
  display:block;padding:2px 10px 6px;font-size:12px;letter-spacing:.08em;
  color:var(--text-3);font-weight:600;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:14px;
  font-size:14.5px;color:var(--text-2);font-weight:500;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.nav-item svg{width:20px;height:20px;flex:0 0 20px;color:var(--text-3);transition:color .2s ease}
.nav-item::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:var(--grad-main);opacity:0;transition:opacity .2s ease;
}
.nav-item:hover{background:var(--soft);color:var(--brand-deep)}
.nav-item:hover svg{color:var(--brand)}
.nav-item.active{background:rgba(108,75,246,.08);color:var(--brand-deep);font-weight:700}
.nav-item.active svg{color:var(--brand)}
.nav-item.active::before{opacity:1}
.nav-divider{height:1px;background:var(--line);margin:8px 6px}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.side-dl{
  border-radius:18px;padding:14px;background:var(--soft);
  border:1px solid rgba(108,75,246,.14);display:flex;flex-direction:column;gap:10px;
}
.v-version{font-size:12.5px;color:var(--text-2);display:flex;align-items:center;justify-content:space-between}
.v-version b{color:var(--brand-deep);font-size:14px}

.topbar{
  position:sticky;top:0;z-index:50;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.topbar.scrolled{box-shadow:0 6px 18px rgba(108,75,246,.10)}
.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px}
.topbar-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:16px}
.hamburger{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--brand-deep);
}
.hamburger:hover{background:var(--soft)}
.overlay{
  position:fixed;inset:0;background:rgba(26,19,48,.5);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.overlay.show{opacity:1;pointer-events:auto}

.main{flex:1;padding:26px 0 0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Breadcrumb ---------- */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-2);transition:color .2s ease}
.crumbs a:hover{color:var(--brand)}
.crumb-sep{color:var(--text-3)}
.crumbs [aria-current="page"]{color:var(--brand-deep);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 40px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
}
.hero-glow{
  position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(162,75,255,.20),rgba(46,211,183,.10) 55%,transparent 72%);
  pointer-events:none;
}
.hero-glow.g2{
  left:-160px;bottom:-220px;top:auto;right:auto;width:360px;height:360px;
  background:radial-gradient(circle,rgba(255,138,61,.16),transparent 70%);
}
.hero-copy{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--brand-deep);background:var(--soft);border:1px dashed rgba(108,75,246,.30);
  margin-bottom:16px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(46,211,183,.18)}
.h1{
  font-size:44px;font-weight:800;letter-spacing:-0.02em;line-height:1.2;color:var(--text);
  margin-bottom:14px;
}
.h1 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;font-weight:600;color:var(--brand-deep);margin-bottom:12px}
.hero-lead{font-size:15.5px;color:var(--text-2);max-width:560px;margin-bottom:24px}
.dl-group{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(108,75,246,.10);color:var(--brand-deep);
}
.badge b{font-weight:800}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
.badge-mint{background:rgba(46,211,183,.14);color:#157C69}
.badge-mint .badge-dot{background:var(--mint)}
.badge-orange{background:rgba(255,138,61,.15);color:#B45417}
.badge-orange .badge-dot{background:var(--orange)}

.hero-media{position:relative;z-index:1}
.shot{
  border-radius:var(--r-md);overflow:hidden;background:var(--soft);
  border:1px solid var(--line);aspect-ratio:4/3;
}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.shot:hover img{transform:scale(1.04)}
.float-card{
  position:absolute;left:-14px;bottom:-16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--shadow-2);
  display:flex;flex-direction:column;gap:2px;min-width:160px;
}
.float-card b{font-size:20px;color:var(--brand-deep);line-height:1.2}
.fc-label{font-size:11.5px;color:var(--text-3);letter-spacing:.06em}
.fc-note{font-size:12px;color:var(--text-2)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,filter .22s ease;
}
.btn svg{width:18px;height:18px}
.btn-primary{background-image:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,75,246,.34);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:rgba(108,75,246,.28);color:var(--brand-deep)}
.btn-ghost:hover{background:var(--soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 24px rgba(25,19,56,.18)}
.btn-light:hover{transform:translateY(-2px);background:#F7F5FF}
.btn-line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:999px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- Sections ---------- */
.section{margin-top:80px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.h2{font-size:30px;font-weight:700;letter-spacing:-0.02em}
.h2 .bar{
  display:inline-block;width:6px;height:24px;border-radius:3px;background:var(--grad-main);
  margin-right:12px;vertical-align:-3px;
}
.sec-desc{margin-top:8px;font-size:15px;color:var(--text-2);max-width:620px}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:19px;top:16px;bottom:26px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(108,75,246,.55),rgba(46,211,183,.45));
}
.tl-item{position:relative;padding-left:64px;padding-bottom:22px}
.tl-num{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--grad-sub);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:15px;box-shadow:0 10px 20px rgba(46,211,183,.24);
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-body h3{font-size:18px;font-weight:600;margin-bottom:8px}
.tl-body p{font-size:15px;color:var(--text-2)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-tag{
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;
  background:rgba(108,75,246,.09);color:var(--brand-deep);
}
.tl-tag.mint{background:rgba(46,211,183,.14);color:#157C69}
.tl-tag.orange{background:rgba(255,138,61,.15);color:#B45417}

/* ---------- Notice cards ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.notice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.notice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.icon-chip{
  width:46px;height:46px;border-radius:15px;background:var(--grad-sub);color:#fff;
  display:grid;place-items:center;margin-bottom:16px;
  box-shadow:0 10px 20px rgba(108,75,246,.20);
}
.icon-chip svg{width:22px;height:22px}
.notice-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.notice-card p{font-size:14.5px;color:var(--text-2)}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .card-media img{transform:scale(1.04)}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:17.5px;font-weight:600}
.entry-body p{font-size:14.5px;color:var(--text-2);flex:1}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2);border-color:rgba(108,75,246,.22)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;font-size:16.5px;font-weight:600;
  border-left:4px solid var(--brand);cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";font-size:24px;line-height:1;color:var(--brand);font-weight:400;
  transition:transform .25s ease;
}
.faq-item[open] .faq-q::after{transform:rotate(45deg);color:var(--orange)}
.faq-item[open] .faq-q{border-left-color:var(--orange)}
.faq-a{
  padding:16px 22px 20px;font-size:15px;color:var(--text-2);
  border-top:1px solid var(--line);
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-main);color:#fff;padding:46px 40px;
  box-shadow:0 20px 46px rgba(108,75,246,.30);
  text-align:center;
}
.cta-card::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  right:-120px;bottom:-180px;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 68%);
}
.cta-card h2{font-size:30px;font-weight:800;letter-spacing:-0.02em;margin-bottom:12px}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.92);max-width:660px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;position:relative;z-index:1}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);margin-top:80px}
.footer-inner{max-width:1200px;margin:0 auto;padding:56px 20px 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:12px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:16px}
.footer-grid p{font-size:14px;color:var(--dark-text);max-width:340px}
.dl-card{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:18px;padding:14px 16px;
}
.dl-card .v{font-size:13px;color:var(--dark-text)}
.dl-card .v b{display:block;color:#fff;font-size:16px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--dark-text);transition:color .2s ease}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  max-width:1200px;margin:0 auto;padding:18px 20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:var(--dark-text);
}
.to-top{
  width:44px;height:44px;border-radius:50%;border:none;
  background-image:var(--grad-main);color:#fff;display:grid;place-items:center;
  position:fixed;right:22px;bottom:22px;z-index:70;
  box-shadow:0 14px 30px rgba(25,19,56,.35);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{filter:brightness(1.08)}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (min-width:1024px){
  .sidebar{transform:translateX(0)}
  .topbar{display:none}
  .overlay{display:none !important}
  .shell{padding-left:248px}
  .main{padding-top:34px}
}
@media (max-width:1023px){
  .hero{grid-template-columns:1fr;padding:30px 24px}
  .hero-media{order:-1}
  .float-card{left:auto;right:12px;bottom:-14px}
  .notice-grid,.entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .h1{font-size:36px}
  .h2{font-size:26px}
}
@media (max-width:767px){
  .section{margin-top:56px}
  .hero{padding:24px 20px;border-radius:26px}
  .h1{font-size:32px}
  .hero-sub{font-size:16.5px}
  .dl-group{flex-direction:column;align-items:stretch}
  .dl-group .btn{width:100%}
  .notice-grid,.entry-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-card{padding:34px 22px;border-radius:26px}
  .cta-card h2{font-size:24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .tl-item{padding-left:54px}
  .tl-num{width:36px;height:36px;font-size:14px}
  .timeline::before{left:17px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion: reduce){
  .js .reveal{transform:none;transition:opacity .3s ease}
  .shot:hover img,.entry-card:hover .card-media img{transform:none}
  .tl-body:hover,.notice-card:hover,.entry-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --primary:#6C4BF6;
  --primary-deep:#4A2FD0;
  --violet:#A24BFF;
  --mint:#2ED3B7;
  --orange:#FF8A3D;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --surface-alt:#EFEBFB;
  --dark:#191338;
  --dark-text:#CFC6F0;
  --text:#1A1330;
  --text-2:#5B5470;
  --text-3:#8D86A8;
  --line:#E7E3F5;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 52%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 8px 24px rgba(108,75,246,.08);
  --shadow-2:0 18px 40px rgba(108,75,246,.18);
  --shadow-dark:0 18px 40px rgba(25,19,56,.35);
  --side:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;overflow-y:auto;z-index:80;
}
.main-wrap{margin-left:var(--side);width:calc(100% - var(--side));min-width:0;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
main{padding-bottom:0;}

/* ---------- 品牌区 ---------- */
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 14px;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad-main);
  color:#fff;font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(108,75,246,.32);flex:none;letter-spacing:0;
}
.brand-text b{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.brand-text span{display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.02em;}

/* ---------- 侧栏导航 ---------- */
.nav-list{display:flex;flex-direction:column;gap:2px;}
.nav-group-label{
  display:block;font-size:11.5px;font-weight:600;letter-spacing:.14em;
  color:var(--text-3);padding:0 12px;margin:16px 0 8px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--text-2);transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.nav-item:hover{background:var(--surface-alt);color:var(--text);}
.nav-item.active{background:rgba(108,75,246,.09);color:var(--primary);font-weight:700;}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--grad-sub);
}
.nav-item:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.side-sep{height:1px;background:var(--line);margin:18px 8px;}
.side-card{
  margin-top:auto;padding:16px;border-radius:var(--r-md);
  background:var(--surface-alt);border:1px solid rgba(108,75,246,.12);
}
.side-card .v{display:block;font-size:12px;color:var(--text-3);margin-bottom:4px;}
.side-card .v b{color:var(--primary-deep);font-size:14px;font-weight:700;margin-left:4px;}
.side-card p{font-size:12.5px;color:var(--text-2);line-height:1.6;margin:8px 0 12px;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:90;height:64px;
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);
}
.topbar.stuck{box-shadow:0 8px 20px rgba(108,75,246,.10);}
.topbar .brand{padding:0;}
.topbar .brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px;}
.topbar .brand-text b{font-size:14.5px;}
.topbar .brand-text span{display:none;}
.burger{
  width:42px;height:42px;border-radius:13px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;cursor:pointer;flex:none;
}
.burger svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.9;stroke-linecap:round;}
.topbar-actions{display:flex;align-items:center;gap:8px;}
.mask{
  position:fixed;inset:0;background:rgba(26,19,48,.5);z-index:95;
  opacity:0;visibility:hidden;transition:.28s;
}
.mask.show{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:0;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .25s ease-out,box-shadow .25s ease-out,background .25s ease-out,filter .25s ease-out;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(108,75,246,.24);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid rgba(108,75,246,.28);}
.btn-ghost:hover{background:var(--surface-alt);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;
  font-weight:600;color:var(--primary);transition:transform .2s ease-out;
}
.link-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.link-more:hover{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-3);padding:26px 0 16px;
}
.crumbs a{color:var(--text-2);transition:color .2s;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#C6BFDD;}
.crumbs em{font-style:normal;color:var(--text);font-weight:600;}

/* ---------- 页头 Hero ---------- */
.page-head{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  padding:52px 48px;color:#fff;background:var(--dark);
  box-shadow:var(--shadow-dark);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.62;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(74,47,208,.92) 0%,rgba(108,75,246,.72) 46%,rgba(255,138,61,.46) 100%);
}
.page-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:36px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);
  color:#fff;backdrop-filter:blur(2px);
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block;}
.page-head h1{
  font-size:clamp(30px,3.5vw,48px);font-weight:800;letter-spacing:-.02em;
  line-height:1.24;margin:18px 0 14px;
}
.page-head h1 span{color:#FFD9BC;}
.page-head .lead{font-size:16.5px;color:rgba(255,255,255,.9);max-width:560px;line-height:1.8;}
.page-head .btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.page-head .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.page-head .btn-ghost:hover{background:rgba(255,255,255,.24);}
.head-art{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;background:var(--surface-alt);
  border:1px solid rgba(255,255,255,.24);
}
.head-art img{width:100%;height:100%;object-fit:cover;}
.head-badge{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--text);font-size:13px;font-weight:600;
  box-shadow:0 10px 24px rgba(25,19,56,.28);
}
.head-badge b{color:var(--primary-deep);}

/* ---------- 通用区块 ---------- */
section{padding:80px 0 0;}
.sec-head{margin-bottom:32px;max-width:760px;}
.sec-label{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);background:rgba(108,75,246,.1);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.sec-head h2{
  font-size:clamp(23px,2.3vw,31px);font-weight:700;letter-spacing:-.02em;line-height:1.35;
}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;}
.sec-head.with-action{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 安全卡片网格 2×3 ---------- */
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.sec-card{
  background:var(--surface);border:1px solid rgba(108,75,246,.1);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-1);
  transition:transform .3s ease-out,box-shadow .3s ease-out;
  display:flex;flex-direction:column;
}
.sec-grid .sec-card:nth-child(2n){margin-top:26px;}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.icon-badge{
  width:46px;height:46px;border-radius:14px;background:var(--grad-sub);
  display:grid;place-items:center;margin-bottom:18px;flex:none;
}
.icon-badge svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.sec-card h3{font-size:18px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em;}
.sec-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;flex:1;}
.sec-card .link-more{margin-top:16px;}

/* ---------- 数据徽章横条 ---------- */
.badge-bar{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:26px 32px;border-radius:var(--r-lg);
  background:var(--surface-alt);border:1px solid rgba(108,75,246,.12);
}
.badge-bar .bar-title{font-size:15px;font-weight:700;color:var(--primary-deep);}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(46,211,183,.12);color:#12796A;
}
.badge.violet{background:rgba(108,75,246,.12);color:var(--primary-deep);}
.badge.orange{background:rgba(255,138,61,.14);color:#B8520F;}
.badge i{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.75;}
.badge b{font-weight:800;}

/* ---------- 二次验证流程（图文） ---------- */
.flow-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.steps{display:flex;flex-direction:column;gap:0;}
.step{display:flex;gap:18px;padding-bottom:26px;position:relative;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:19px;top:44px;bottom:0;width:2px;background:var(--line);
}
.step:last-child::before{display:none;}
.step-no{
  width:40px;height:40px;border-radius:50%;background:var(--grad-sub);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:none;
  box-shadow:0 8px 18px rgba(46,211,183,.24);position:relative;z-index:2;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.flow-art{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;background:var(--surface-alt);border:1px solid var(--line);box-shadow:var(--shadow-1);}
.flow-art img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.flow-art:hover img{transform:scale(1.04);}

/* ---------- 折叠提示列表 ---------- */
.faq-list{display:flex;flex-direction:column;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .25s ease-out;
}
.faq-item + .faq-item{margin-top:14px;}
.faq-item[open]{box-shadow:var(--shadow-2);}
.faq-item summary{
  display:flex;align-items:center;gap:12px;min-height:56px;
  padding:14px 22px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:4px;height:20px;border-radius:4px;background:var(--grad-sub);flex:none;
}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;line-height:1;font-weight:400;
  color:var(--primary);transition:transform .25s ease-out;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:focus-visible{outline:2px solid var(--mint);outline-offset:-3px;}
.faq-body{
  padding:0 22px 20px 38px;font-size:15px;color:var(--text-2);line-height:1.85;
}
.faq-body::before{content:"";display:block;height:1px;background:var(--line);margin-bottom:16px;}

/* ---------- 反馈表单 ---------- */
.form-card{
  background:var(--surface);border:1px solid rgba(108,75,246,.1);
  border-radius:var(--r-xl);padding:40px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:13px 15px;font-size:14.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(108,75,246,.5);
  box-shadow:0 0 0 3px rgba(108,75,246,.16);background:#FCFBFF;
}
.field .hint{font-size:12.5px;color:var(--orange);}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px;}
.form-foot .note{font-size:13px;color:var(--text-3);}

/* ---------- 底部 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-main);padding:56px 48px;color:#fff;
  box-shadow:0 24px 50px rgba(108,75,246,.28);
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;
  border-radius:50%;background:rgba(255,255,255,.16);filter:blur(6px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-card h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.3;}
.cta-card p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:560px;}
.cta-card .btn-row{display:flex;gap:12px;flex-wrap:wrap;}
.cta-card .btn-ghost{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.45);}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.26);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);margin-top:80px;}
.footer-inner{max-width:1200px;margin:0 auto;padding:64px 32px 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:17px;}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.85;color:var(--dark-text);}
.dl-card{
  margin-top:18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
}
.dl-card .v{font-size:12.5px;color:rgba(207,198,240,.8);}
.dl-card .v b{color:#fff;font-size:14px;margin-left:4px;}
.footer-col h3{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--dark-text);transition:color .2s ease;}
.footer-col a:hover{color:var(--mint);}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:20px 32px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-bottom p{font-size:13px;color:rgba(207,198,240,.72);}
.to-top{
  width:44px;height:44px;border-radius:50%;border:0;background:var(--grad-main);
  display:grid;place-items:center;cursor:pointer;
  box-shadow:0 10px 24px rgba(108,75,246,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{filter:brightness(1.08);}
.to-top:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}

/* ---------- 进入视口动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease-out,transform .6s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .container{padding:0 26px;}
  .sec-grid{grid-template-columns:repeat(2,1fr);}
  .sec-grid .sec-card:nth-child(2n){margin-top:0;}
  .sec-grid .sec-card:nth-child(2n){margin-top:22px;}
}
@media(max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform .3s ease;
    width:288px;padding:22px 16px 18px;box-shadow:0 0 40px rgba(25,19,56,.28);
  }
  .sidebar.open{transform:none;}
  .sidebar .nav-item{height:52px;font-size:15.5px;}
  .sidebar .brand{padding:0 6px 14px;}
  .main-wrap{margin-left:0;width:100%;}
  .topbar{display:flex;}
  .page-head{padding:40px 30px;border-radius:26px;}
  .page-head-inner{grid-template-columns:1fr;}
  .head-art{aspect-ratio:16/9;}
  .flow-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  section{padding:64px 0 0;}
}
@media(max-width:767px){
  .sec-grid{grid-template-columns:1fr;}
  .sec-grid .sec-card:nth-child(2n){margin-top:0;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:26px 20px;border-radius:var(--r-lg);}
  .badge-bar{border-radius:var(--r-md);padding:20px;}
}
@media(max-width:639px){
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .page-head{padding:32px 20px;border-radius:22px;}
  .page-head h1{font-size:30px;}
  .page-head .lead{font-size:15px;}
  .page-head .btn-row .btn{width:100%;}
  .sec-card{padding:22px;border-radius:20px;}
  .cta-card{padding:34px 22px;border-radius:24px;}
  .cta-card .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:stretch;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-inner{padding:44px 18px 28px;}
  .footer-bottom{padding:18px 18px 32px;flex-direction:column;align-items:flex-start;}
  .sec-head.with-action{flex-direction:column;align-items:flex-start;}
  section{padding:56px 0 0;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .4s ease-out;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;}
}

/* roulang page: category2 */
:root{
  --violet:#6C4BF6;
  --violet-deep:#4A2FD0;
  --violet-light:#A24BFF;
  --mint:#2ED3B7;
  --orange:#FF8A3D;
  --bg:#F6F4FC;
  --card:#FFFFFF;
  --soft:#EFEBFB;
  --dark:#191338;
  --dark-text:#CFC6F0;
  --text:#1A1330;
  --text-sub:#5B5470;
  --text-weak:#8D86A8;
  --line:#E7E3F5;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 55%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --shadow-1:0 8px 24px rgba(108,75,246,.08);
  --shadow-2:0 18px 40px rgba(108,75,246,.18);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
svg{display:block}
[hidden]{display:none !important}
.num{font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.02em}

/* ---------- App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:60;
  background:#fff;border-right:1px solid var(--line);
  padding:22px 16px 18px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-main);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px;flex:none;
  box-shadow:0 8px 18px rgba(108,75,246,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text b{font-size:15.5px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--text-weak)}

.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-group-label{font-size:11.5px;letter-spacing:.14em;color:var(--text-weak);padding:4px 12px 2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:var(--r-sm);font-size:14.5px;color:var(--text-sub);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.nav-item:hover{background:var(--soft);color:var(--text)}
.nav-item.active{background:rgba(108,75,246,.08);color:var(--violet);font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad-main)}
.nav-divider{height:1px;background:var(--line);margin:6px 4px}
.side-card{
  margin-top:auto;background:var(--soft);border-radius:var(--r-md);padding:16px;
  display:flex;flex-direction:column;gap:10px;border:1px solid rgba(108,75,246,.12);
}
.v{font-size:13px;color:var(--text-sub)}
.v b{color:var(--violet);font-size:15px;margin-left:4px}

.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:65;
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);
  box-shadow:0 4px 16px rgba(108,75,246,.07);
}
.topbar-actions{display:flex;align-items:center;gap:10px}
.burger{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--soft);border:1px solid rgba(108,75,246,.14)}
.burger svg{width:22px;height:22px;fill:none;stroke:var(--violet);stroke-width:1.9;stroke-linecap:round}
.burger:hover{background:#E5DEFB}

.drawer{
  position:fixed;top:0;left:0;bottom:0;width:288px;z-index:80;background:#fff;
  padding:20px 16px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .3s ease;box-shadow:var(--shadow-2);
}
.drawer.open{transform:none}
.drawer .nav-item{height:52px;font-size:15.5px}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:6px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:15.5px}
.drawer-close{margin-left:auto;width:36px;height:36px;border-radius:10px;background:var(--soft);font-size:20px;line-height:1;color:var(--text-sub);display:grid;place-items:center}
.drawer-close:hover{background:#E5DEFB;color:var(--violet)}
.drawer-mask{position:fixed;inset:0;background:rgba(26,19,48,.5);z-index:70}

.app-main{padding-left:248px;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(108,75,246,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(108,75,246,.3)}
.btn-outline{background:#fff;border-color:rgba(108,75,246,.24);color:var(--violet)}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.28);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 30px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-xs{height:34px;padding:0 15px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.btn-row .btn{flex:0 0 auto}

.pill{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--soft);color:var(--violet-deep)}
.pill-light{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.38)}
.pill-mint{background:rgba(46,211,183,.14);color:#167A66}
.pill-orange{background:rgba(255,138,61,.16);color:#C1541A}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}

.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
  font-size:12.5px;
}
.stat-badge b{font-weight:700;font-size:14px}
.stat-badge-dark{background:var(--soft);border-color:rgba(108,75,246,.14);color:var(--text-sub)}
.stat-badge-dark b{color:var(--violet)}

.section{padding:56px 0}
.section-title{position:relative;padding-left:16px;font-size:29px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-title::before{content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:5px;border-radius:4px;background:var(--grad-main)}
.section-sub{color:var(--text-sub);font-size:15px;margin-top:10px;max-width:760px}

.card{
  background:var(--card);border:1px solid rgba(108,75,246,.10);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.panel{background:#fff;border:1px solid rgba(108,75,246,.10);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-1)}

.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-weak);padding-top:24px}
.crumbs a:hover{color:var(--violet)}
.crumbs svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-radius:var(--r-xl);margin-top:20px;background:var(--dark);box-shadow:var(--shadow-2)}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03)}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(118deg,rgba(74,47,208,.9) 0%,rgba(108,75,246,.66) 48%,rgba(255,138,61,.5) 100%)}
.page-hero-inner{position:relative;padding:48px 44px;color:#fff;max-width:780px}
.page-hero h1{font-size:46px;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:16px 0 14px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.9);max-width:640px}
.page-hero .btn-row{margin-top:26px}
.page-hero .badge-row{margin-top:22px}

/* ---------- 下载双列 ---------- */
.split-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:24px;align-items:start}
.device-tabs{display:inline-flex;gap:6px;padding:6px;background:var(--soft);border-radius:999px;max-width:100%;overflow-x:auto}
.device-tab{height:40px;padding:0 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-sub);white-space:nowrap;transition:background .22s ease,color .22s ease,box-shadow .22s ease}
.device-tab:hover{color:var(--violet)}
.device-tab.active{background:#fff;color:var(--violet);box-shadow:0 6px 16px rgba(108,75,246,.18)}
.device-tab:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.device-pane{padding-top:22px}
.device-pane h3{font-size:19px;font-weight:600;margin-bottom:10px}
.device-pane .desc{color:var(--text-sub);font-size:15px;margin-bottom:20px;max-width:620px}
.tick-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.tick-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-sub)}
.tick-list svg{width:18px;height:18px;flex:none;margin-top:5px;fill:none;stroke:var(--mint);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.version-card{background:var(--soft);border:1px solid rgba(108,75,246,.16);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-1)}
.version-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.version-card .sub{font-size:13.5px;color:var(--text-sub);margin-bottom:16px}
.kv-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:8px 0;border-bottom:1px dashed var(--line)}
.kv-row:last-child{border-bottom:0}
.kv-key{color:var(--text-sub);font-size:13.5px;flex:none}
.kv-val{font-size:14px;font-weight:600;text-align:right;word-break:break-all}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.req-card{background:#fff;border-radius:var(--r-lg);padding:28px;border:1px solid rgba(108,75,246,.10);box-shadow:var(--shadow-1)}
.req-card.alt{background:#FBFAFF}
.req-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.req-icon{width:40px;height:40px;border-radius:13px;background:var(--grad-sub);display:grid;place-items:center;flex:none}
.req-icon svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.req-head h3{font-size:17.5px;font-weight:600}

/* ---------- 步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{background:#fff;border-radius:var(--r-lg);padding:26px 24px;border:1px solid rgba(108,75,246,.10);box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--grad-sub);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px;margin-bottom:16px}
.step-card h3{font-size:17.5px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--text-sub)}

/* ---------- 截图 ---------- */
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.shot{border-radius:var(--r-md);overflow:hidden;background:var(--soft);border:1px solid rgba(108,75,246,.10);box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease}
.shot:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.shot-img{overflow:hidden;aspect-ratio:16/10;background:var(--soft)}
.shot-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.shot:hover .shot-img img{transform:scale(1.04)}
.shot figcaption{padding:14px 18px;font-size:14px;color:var(--text-sub);background:#fff}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border-radius:20px;border:1px solid rgba(108,75,246,.10);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;min-height:56px;padding:14px 22px;font-weight:600;font-size:15.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";width:4px;height:20px;border-radius:4px;background:var(--grad-main);flex:none}
.faq-icon{margin-left:auto;width:24px;height:24px;flex:none;position:relative;transition:transform .25s ease}
.faq-icon svg{width:24px;height:24px;fill:none;stroke:var(--violet);stroke-width:2;stroke-linecap:round}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px 40px;color:var(--text-sub);font-size:15px;border-top:1px solid var(--line);padding-top:14px;margin-top:2px}

/* ---------- CTA ---------- */
.cta-card{
  background:var(--grad-main);border-radius:var(--r-xl);padding:46px 42px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 48px rgba(108,75,246,.28);position:relative;overflow:hidden;
}
.cta-card::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-copy{position:relative;z-index:1;max-width:600px}
.cta-copy h2{font-size:28px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.92)}
.cta-card .btn-row{position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:56px 0 0;margin-top:64px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:17px;box-shadow:none}
.site-footer p{color:#A79ED2;font-size:14px;line-height:1.85;margin:0}
.dl-card{
  margin-top:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.dl-card .v{color:#CFC6F0}
.dl-card .v b{color:#fff}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin:0 0 14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#A79ED2;font-size:14px}
.footer-col a:hover{color:var(--mint)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
  max-width:1200px;margin-left:auto;margin-right:auto;padding:20px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p{font-size:13.5px;color:#8F86BC}
.to-top{
  position:fixed;right:28px;bottom:28px;z-index:80;width:46px;height:46px;border-radius:50%;
  background:var(--grad-main);display:grid;place-items:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease;
  box-shadow:0 12px 26px rgba(108,75,246,.4);
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{box-shadow:0 16px 34px rgba(108,75,246,.5)}
.to-top svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 动效 ---------- */
.reveal{transition:opacity .6s ease,transform .6s ease}
html.anim .reveal{opacity:0;transform:translateY(12px)}
html.anim .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  html.anim .reveal{transform:none;transition:opacity .4s ease}
  .card:hover,.step-card:hover,.shot:hover,.btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:40px}
  .page-hero-inner{padding:42px 36px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .app-main{padding-left:0;padding-top:64px}
  .container{padding:0 20px}
  .split-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr 1fr}
  .shot-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-inner{padding:0 20px}
  .footer-bottom{padding:18px 20px}
  .cta-card{padding:36px 28px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .section{padding:44px 0}
  .page-hero{margin-top:16px;border-radius:24px}
  .page-hero-inner{padding:30px 22px}
  .page-hero h1{font-size:31px;margin:14px 0 12px}
  .page-hero p{font-size:15px}
  .section-title{font-size:22px}
  .step-grid,.shot-grid{grid-template-columns:1fr}
  .panel,.req-card,.version-card{padding:20px}
  .btn-row{flex-direction:column;width:100%}
  .btn-row .btn{width:100%}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .stat-badge{flex:none}
  .cta-copy h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-body{padding-left:22px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category4 */
:root{
  --brand:#6C4BF6;
  --brand-deep:#4A2FD0;
  --brand-lite:#A24BFF;
  --mint:#2ED3B7;
  --orange:#FF8A3D;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --surface-alt:#EFEBFB;
  --dark:#191338;
  --dark-2:#241B4A;
  --text:#1A1330;
  --text-2:#5B5470;
  --text-3:#8D86A8;
  --line:#E7E3F5;
  --line-2:#DCD5F2;
  --grad-main:linear-gradient(135deg,#6C4BF6 0%,#A24BFF 55%,#FF8A3D 100%);
  --grad-sub:linear-gradient(135deg,#2ED3B7 0%,#6C4BF6 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(108,75,246,.08);
  --sh-2:0 18px 40px rgba(108,75,246,.18);
  --sh-dark:0 18px 40px rgba(25,19,56,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sidebar-w:248px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  min-height:100vh;
  background:var(--bg);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}

/* ============ 品牌标记 ============ */
.brand-mark{
  width:38px;height:38px;flex:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad-main);
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(108,75,246,.32);
  letter-spacing:0;
}

/* ============ 顶部移动栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  align-items:center;justify-content:space-between;
  gap:12px;padding:0 16px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.topbar.scrolled{box-shadow:0 6px 20px rgba(25,19,56,.10)}
.topbar-brand{display:flex;align-items:center;gap:10px;font-size:16px}
.topbar-brand b{font-weight:800;letter-spacing:-.01em}
.topbar-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px}
.topbar-actions{display:flex;align-items:center;gap:10px}

.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:.22s var(--ease);
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:.22s var(--ease)}
.hamburger:hover{background:var(--surface-alt);border-color:var(--brand)}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:80;
  display:flex;flex-direction:column;gap:18px;
  padding:24px 16px 20px;
  background:#fff;border-right:1px solid var(--line);
  overflow-y:auto;transition:transform .3s var(--ease);
}
.brand{display:flex;align-items:center;gap:11px;padding:2px 6px 4px}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em}

.nav-group-label{
  display:block;padding:0 12px 8px;
  font-size:11px;letter-spacing:.18em;color:var(--text-3);text-transform:uppercase;
}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:14px;
  color:var(--text-2);font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item svg{
  width:20px;height:20px;flex:none;fill:none;stroke:currentColor;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.nav-item:hover{background:var(--surface-alt);color:var(--text)}
.nav-item.active{
  background:rgba(108,75,246,.08);
  color:var(--brand-deep);font-weight:600;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad-main);
}
.nav-item.active svg{stroke:var(--brand)}

.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--line-2)}
.mini-card{
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px;background:linear-gradient(160deg,#FBF9FF,#F2EEFE);
  box-shadow:var(--sh-1);
}
.mini-card p{font-size:13px;color:var(--text-2);margin:8px 0 12px;line-height:1.7}

.drawer-mask{
  position:fixed;inset:0;z-index:75;background:rgba(26,19,48,.5);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ============ 主容器 ============ */
.page{padding-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{width:100%;max-width:1200px;margin:0 auto;padding:28px 28px 0;flex:1}
.section{margin-top:56px}
@media (min-width:1024px){.section{margin-top:80px}}

.eyebrow{
  display:inline-block;margin-bottom:8px;
  font-size:12px;letter-spacing:.2em;color:var(--brand);
  text-transform:uppercase;font-weight:600;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:24px;
  padding-bottom:16px;border-bottom:1px dashed var(--line-2);
}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.015em;line-height:1.35}
.section-note{font-size:14px;color:var(--text-3)}
.section-note b{color:var(--brand-deep)}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-2);margin-bottom:20px;
}
.crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-3)}
.crumbs .now{color:var(--text);font-weight:600}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(108,75,246,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,75,246,.36);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(108,75,246,.28)}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:rgba(108,75,246,.22)}
.btn-ghost:hover{background:var(--surface-alt);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--brand-deep);border-color:rgba(108,75,246,.32)}
.btn-outline:hover{background:rgba(108,75,246,.07);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.badge b{font-weight:800}
.badge-mint{background:rgba(46,211,183,.13);color:#12867A}
.badge-brand{background:rgba(108,75,246,.11);color:var(--brand-deep)}
.badge-orange{background:rgba(255,138,61,.14);color:#C25A10}
.badge-row{display:flex;gap:10px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px}

.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.tag-update{background:rgba(108,75,246,.12);color:var(--brand-deep)}
.tag-activity{background:rgba(255,138,61,.14);color:#C25A10}
.tag-notice{background:rgba(46,211,183,.14);color:#12867A}
.tag-maintain{background:rgba(91,84,112,.12);color:#4B4463}

.stamp{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:8px;
  border:1px dashed rgba(255,138,61,.75);
  color:#FFD9BC;background:rgba(255,138,61,.16);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  transform:rotate(-1.6deg);
}

.pill-version{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:999px;background:rgba(108,75,246,.12);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;
}

/* ============ 复古日志卡通用 ============ */
.retro-card{
  background:#fff;border:1.5px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-1),inset 0 0 0 4px #fff;
  padding:26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.retro-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2),inset 0 0 0 4px #fff;border-color:rgba(108,75,246,.34)}
.retro-card h3{font-size:19px;font-weight:700;line-height:1.5}

/* ============ Hero ============ */
.hero{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background-image:linear-gradient(135deg,rgba(74,47,208,.72),rgba(25,19,56,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-dark);
  border:1.5px solid rgba(255,255,255,.14);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
  padding:48px 44px;
}
.hero-copy h1{
  margin:16px 0 14px;color:#fff;
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.02em;
}
.hero-sub{color:#D8D2F2;font-size:16.5px;max-width:560px;line-height:1.85}
.hero .badge-row{margin-top:22px}
.hero .badge-mint{background:rgba(46,211,183,.18);color:#8FF0DE}
.hero .badge-brand{background:rgba(255,255,255,.12);color:#E4DEFF}
.hero .badge-orange{background:rgba(255,138,61,.2);color:#FFCBA4}
.hero .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.42)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.18)}

.hero-art{position:relative}
.hero-art img{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1.5px solid rgba(255,255,255,.22);
  background:#EFEBFB;box-shadow:0 24px 48px rgba(9,5,25,.45);
}
.float-card{
  position:absolute;left:-18px;bottom:-18px;
  display:flex;flex-direction:column;gap:2px;
  padding:14px 18px;border-radius:var(--r-md);
  background:#fff;box-shadow:0 18px 36px rgba(9,5,25,.34);
  border:1.5px solid var(--line-2);min-width:170px;
}
.float-card .fc-label{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.float-card b{font-size:26px;font-weight:800;color:var(--brand-deep);line-height:1.2}
.float-card .fc-date{font-size:12.5px;color:var(--text-2)}

/* ============ 筛选 ============ */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;
  padding:10px;border-radius:999px;background:var(--surface-alt);
  border:1px dashed var(--line-2);width:fit-content;max-width:100%;
}
.pill-btn{
  height:36px;padding:0 18px;border-radius:999px;border:1px solid transparent;
  background:transparent;color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:.22s var(--ease);
}
.pill-btn:hover{background:#fff;color:var(--brand-deep)}
.pill-btn.is-active{
  background:var(--grad-main);color:#fff;
  box-shadow:0 8px 18px rgba(108,75,246,.26);
}

/* ============ 公告列表行卡 ============ */
.notice-list{display:flex;flex-direction:column;gap:16px}
.notice-row{
  display:grid;grid-template-columns:96px 1fr 40px;gap:22px;align-items:center;
  padding:20px 22px;border-radius:var(--r-lg);
  background:#fff;border:1.5px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.notice-row:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:rgba(108,75,246,.3)}
.notice-row.is-hidden{display:none}
.date-block{
  width:96px;height:96px;border-radius:var(--r-md);
  background:var(--grad-main);color:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  box-shadow:0 12px 24px rgba(108,75,246,.28);
}
.date-block .db-day{font-size:28px;font-weight:800;line-height:1}
.date-block .db-mon{font-size:12.5px;letter-spacing:.08em;opacity:.9}
.notice-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.notice-time{font-size:13px;color:var(--text-3)}
.notice-body h3{font-size:18.5px;font-weight:700;line-height:1.55;margin-bottom:6px}
.notice-body h3 a{transition:color .2s var(--ease)}
.notice-body h3 a:hover{color:var(--brand-deep)}
.notice-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.row-arrow{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-alt);color:var(--brand-deep);
  transition:.26s var(--ease);
}
.row-arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.notice-row:hover .row-arrow{background:var(--grad-main);color:#fff;transform:translateX(2px)}

.list-more{display:flex;justify-content:center;margin-top:26px}
.empty-state{
  display:none;flex-direction:column;align-items:center;gap:10px;
  padding:48px 20px;border:1.5px dashed var(--line-2);border-radius:var(--r-lg);
  background:#fff;text-align:center;
}
.empty-state.show{display:flex}
.empty-state .es-mark{
  width:56px;height:56px;border-radius:18px;background:var(--grad-sub);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;
}
.empty-state p{font-size:14.5px;color:var(--text-2)}
.empty-state .es-hint{font-size:13px;color:var(--text-3)}

/* ============ Bento 重点速览 ============ */
.bento{display:grid;grid-template-columns:1.45fr 1fr;gap:22px}
.bento-main{
  grid-row:span 2;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);background:#fff;border:1.5px solid var(--line-2);
  box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.bento-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.bento-main .bm-img{overflow:hidden;background:#EFEBFB}
.bento-main .bm-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.bento-main:hover .bm-img img{transform:scale(1.04)}
.bento-main .bm-body{padding:24px 26px 26px}
.bento-main h3{font-size:20px;font-weight:700;margin:12px 0 12px}
.tick-list{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.tick-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:5px;
  background:var(--grad-sub);
}
.tick-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:6px;height:3px;
  border-left:1.6px solid #fff;border-bottom:1.6px solid #fff;transform:rotate(-45deg);
}
.bento-side{
  border-radius:var(--r-lg);background:var(--surface-alt);
  border:1.5px solid var(--line-2);padding:22px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.bento-side:hover{transform:translateY(-4px);box-shadow:var(--sh-1)}
.bento-side h3{font-size:17px;font-weight:700;margin:10px 0 12px}
.plain-list{display:flex;flex-direction:column;gap:8px}
.plain-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.7}
.plain-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--brand);opacity:.75;
}
.icon-chip{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-sub);color:#fff;
}
.icon-chip svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ============ 订阅表单 ============ */
.form-card{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;
  border-radius:var(--r-xl);padding:36px;
  background:#fff;border:1.5px solid var(--line-2);
  box-shadow:var(--sh-1);
}
.form-intro h2{font-size:27px;font-weight:700;line-height:1.4;margin-bottom:12px;letter-spacing:-.015em}
.form-intro p{font-size:15px;color:var(--text-2);margin-bottom:18px}
.mini-list{display:flex;flex-direction:column;gap:10px;border-top:1px dashed var(--line-2);padding-top:16px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2)}
.mini-list li b{color:var(--brand-deep);font-weight:700;flex:none}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
.form-grid .full{grid-column:1 / -1}
.field{display:flex;flex-direction:column;gap:7px;font-size:13.5px;color:var(--text-2);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--text);
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:12px 14px;transition:.22s var(--ease);
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(108,75,246,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(108,75,246,.55);
  box-shadow:0 0 0 3px rgba(108,75,246,.14);background:#FCFBFF;
}
.form-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}
.form-hint{font-size:13px;color:var(--text-3)}
.form-note{display:none;font-size:13.5px;color:#C25A10;font-weight:600}
.form-note.show{display:block}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1.5px solid var(--line);border-radius:20px;
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(108,75,246,.28)}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(108,75,246,.34)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:none;border:0;border-left:4px solid var(--brand);
  text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;
}
.faq-item .plus{
  width:24px;height:24px;flex:none;position:relative;
  transition:transform .3s var(--ease);
}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand);border-radius:2px;
}
.faq-item .plus::before{width:14px;height:2px}
.faq-item .plus::after{width:2px;height:14px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{
  padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85;
  border-top:1px solid var(--line);margin-top:0;padding-top:16px;
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-main);color:#fff;
  padding:46px 44px;box-shadow:var(--sh-2);
  border:1.5px solid rgba(255,255,255,.2);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.35;letter-spacing:-.015em;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:520px}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.26)}
.cta-band .link-arrow{color:#fff}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.dl-hint{font-size:13.5px;color:rgba(255,255,255,.85)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;background:var(--dark);color:#CFC6F0;
  border-top:1.5px solid rgba(255,255,255,.08);
}
.footer-inner{max-width:1200px;margin:0 auto;padding:56px 28px 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
.site-footer p{font-size:14px;line-height:1.85;color:#B3A9DE}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#B3A9DE;transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--mint);transform:translateX(3px)}
.dl-card{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
}
.dl-card .v{font-size:13px;color:#B3A9DE;display:flex;flex-direction:column;line-height:1.5}
.dl-card .v b{color:#fff;font-size:15px;font-weight:800}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:20px 28px 28px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#9A90C6}
.to-top{
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad-main);color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),box-shadow .3s var(--ease);
  box-shadow:0 10px 24px rgba(108,75,246,.35);
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{box-shadow:0 16px 32px rgba(108,75,246,.5);filter:brightness(1.06)}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .4s linear}
  *{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-copy h1{font-size:40px}
}

@media (max-width:1023px){
  .topbar{display:flex}
  .page{padding-left:0;padding-top:64px}
  .sidebar{transform:translateX(-100%);width:288px;box-shadow:0 0 40px rgba(9,5,25,.3)}
  .sidebar.open{transform:translateX(0)}
  .nav-item{height:52px;font-size:16px}
  main{padding:22px 20px 0}
  main{max-width:100%}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:36px 28px}
  .hero-art{order:-1}
  .float-card{left:auto;right:14px;bottom:-16px}
  .bento{grid-template-columns:1fr}
  .bento-main{grid-row:auto}
  .form-card{grid-template-columns:1fr;gap:26px;padding:28px}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}

@media (max-width:767px){
  .section-head h2{font-size:23px}
  .hero{padding:0}
  .hero-copy h1{font-size:32px;line-height:1.32}
  .hero-sub{font-size:15.5px}
  .hero .btn-row .btn{width:100%}
  .hero .btn-row{flex-direction:column}
  .notice-row{grid-template-columns:1fr;gap:16px;padding:20px}
  .date-block{
    width:100%;height:auto;flex-direction:row;gap:10px;
    align-items:center;justify-content:flex-start;padding:12px 16px;border-radius:14px;
  }
  .date-block .db-day{font-size:20px}
  .row-arrow{display:none}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:14px 16px}
  .footer-inner{padding:44px 20px 32px}
  .footer-bottom{padding:18px 20px 26px}
}

@media (max-width:520px){
  main{padding:18px 16px 0}
  .hero-inner{padding:26px 20px}
  .hero-copy h1{font-size:29px}
  .section{margin-top:52px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .retro-card{padding:22px}
  .form-card{padding:22px}
  .btn{font-size:14.5px}
}